20088077 has 4 divisors (see below), whose sum is σ = 20631036. Its totient is φ = 19545120.

The previous prime is 20088071. The next prime is 20088119. The reversal of 20088077 is 77088002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77088002 = 2 ⋅38544001.

It can be written as a sum of positive squares in 2 ways, for example, as 19193161 + 894916 = 4381^2 + 946^2 .

It is a cyclic number.

It is not a de Polignac number, because 20088077 - 2¹² = 20083981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20088071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271424 + ... + 271497.

It is an arithmetic number, because the mean of its divisors is an integer number (5157759).

Almost surely, 2^20088077 is an apocalyptic number.

It is an amenable number.

20088077 is a deficient number, since it is larger than the sum of its proper divisors (542959).

20088077 is an equidigital number, since it uses as much as digits as its factorization.

20088077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542958.

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 20088077 is about 4481.9724452522. The cubic root of 20088077 is about 271.8396410967.

The spelling of 20088077 in words is "twenty million, eighty-eight thousand, seventy-seven".